ANALOG DIGITAL CONVERTER USING CHANGE OF THRESHOLD VOLTAGE

PURPOSE: An analog to digital converter using threshold voltage variation is provided to simplify a configuration of a circuit by performing a comparison operation with a simple structure. CONSTITUTION: A switching inverter array(120) is comprised of a plurality of CMOS inverters. The switching inve...

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Bibliographic Details
Main Authors CUI, ZHI YUAN, KIM, NAM SOO
Format Patent
LanguageEnglish
Korean
Published 11.03.2010
Subjects
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
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Summary:PURPOSE: An analog to digital converter using threshold voltage variation is provided to simplify a configuration of a circuit by performing a comparison operation with a simple structure. CONSTITUTION: A switching inverter array(120) is comprised of a plurality of CMOS inverters. The switching inverter array receives an analog input voltage as an input signal. An encoder(150) generates a digital signal by encoding the output signals of the CMOS inverters. Each CMOS inverter has a different switching threshold voltage. The CMOS inverters is comprised of a PMOS transistor and an NMOS transistor including a gate insulation layer. The PMOS transistor and the NMOS transistor have different thicknesses according to each CMOS inverter.
Bibliography:Application Number: KR20080086126